Office chair mat



FIG. 1 is a top, perspective view showing the office chair mat.

FIG. 2 is a top view of the office chair mat of FIG. 1 .

FIG. 3 is a front side view of the office chair mat of FIG. 1 .

FIG. 4 is a rear view of the office chair mat of FIG. 1 .

FIG. 5 is a right side view of the office chair mat of FIG. 1 .

FIG. 6 is a left side view of the office chair mat of FIG. 1 ; and,

FIG. 7 is a bottom view of the office chair mat of FIG. 1 .

The broken lines depict portions of the office chair mat that form no part of the claimed design. 

CLAIM The ornamental design for an office chair mat, as shown and described. 